Abbrieviation of "Make-Up Failure".
For those girls who slap on the bronzer, and foundation, for those girls who have abnormally rosey cheeks, and for those girls who have eyes as black as the night.
Girl 1: HAHAHA Did you see Jenny today?
Girl 2: Yeah, i mean what a MUF!
Boy 1: I fancy some girl in my maths class... but i don't know what to do, she's such a MUF.
Boy 2: NO MAN, you can do so much better.
January 14, 2010